First lady spoke at annual gathering in Arlington, Va.
LGBTQ rights organization holds gala event and awards ceremony
Congressional Republicans are trying to roll back progress, the president said.
First lady will also deliver remarks
Saturday marks a year since the U.S. Supreme Court struck down Roe
Meg Whitman's March 3 comments raised eyebrows
Alba Rueda among International Women of Courage Award recipients
Ukrainian president met with American counterpart, addressed Congress
First lady joined president, Wes Moore and Chris Van Hollen at rally
Democratic congresswoman facing challenge from Republican Hung Cao
